Overview

This unique course provides an excellent, vendor-neutral introduction to 802.11 / Wi-Fi networks for “non-technical” people, and helps attendees prepare for the Certitrek Certified Wireless Specialist (CWS) on-line exam and certification. The course goes beyond the basic CWS curriculum, explains the language and terminology of 802.11 standards and Wi-Fi, as well as the hardware and software used in indoor and outdoor wireless networks (WLANs) – from Radio Frequency (RF) concepts, through 802.11 / Wi-Fi terminology, to the details of Wi-Fi AP, client devices and wireless bridges. The Certified Wireless Specialist (CWS) certification validates the knowledge of wireless sales, marketing, entry-level support and decision-making professionals in 802.11 / Wi-Fi networks.

Duration

1 days

Audience

  • People responsible for selling or marketing wireless products and services.
  • Entry-level / Level 1 IT support staff, supporting Wi-Fi network users.
  • Decision-making professionals and stakeholders with influence over Wi-Fi network purchases.
  • People wanting to take the Certitrek Certified Wireless Specialist (CWS) on-line certification exam.

Prerequisites

Students should have a basic knowledge of Ethernet networks.

Objectives

Understand Wi-Fi equipment and its primary functions
Understand 802.11 / Wi-Fi terminology
Identify Wireless LAN hardware and software
Understand essential aspects of outdoor wireless networks
Specify Wi-Fi site survey requirements
Understand how to define an Organisation’s goals and requirements for a Wi-Fi network
Prepare for the Certitrek Certified Wireless Specialist (CWS) on-line certification exam.

Content Headings

Understanding Radio Frequency (RF) concepts
Understanding the essential characteristics of Radio Frequency transmissions
How do RF signals move through an environment?
Understanding the RF bands used for Wi-Fi
RF channels and Channel Plans

IEEE 802.11 Standards and Amendments
From 802.11 to 802.11ax and beyond
What are DSSS, OFDM, ERP, HT, VHT and HE?
What are the capabilities of each standard
Understanding the basic Physical layer (PHY) characteristics

Wi-Fi Equipment
The role and functions of Wireless Access Points (APs)
AP features and capabilities
Standalone, controller-based, branch and controller-less APs
Understanding AP management
Understanding Wi-Fi antennas
Choosing between WLAN antenna types

Wireless Clients
Understanding the capabilities of Wi-Fi client devices
Discovering client devices and the applications in use
Understanding the loads that Wi-Fi clients place on networks

Outdoor Wireless Bridge Links
PTP versus PtMP
How fast and far can we go with wireless links?
Wireless link reliability
Overview of Mesh networks

Wi-Fi Network Performance
Factors that affect Wi-Fi network performance
The Wi-F client perspective
What affects Wi-Fi network capacity?
The requirements for VoWLAN (Voice over Wi-Fi)

WLAN Security, BYOD and Guest Access
Understanding WPA, WPA2 and WPA3 security
Understanding Captive Portals (and splash pages)
What are BYOD and MDM?
Determining the best solution for BYOD and Guest Access

Enhanced 802.11 Functions
Understanding the more advanced features of 802.11n, 802.11ac and 802.11ax
What are the requirements for fast and secure roaming?

Understanding Wi-Fi Site Survey
What’s wrong with most Wi-Fi site surveys today?
Why too many Wi-Fi networks fail to deliver
The 7 types of Wi-Fi site survey
What should a real Wi-Fi site survey involve?